Annals of the South African Museum, Volume 83The Museum, 1981 - Natual history |
From inside the book
Results 1-3 of 58
Page 173
... ribs terminating in tubercles on the umbilical shoulder , from which secondary ribs diverge in fasciculate bundles to pass uninterrupted across the venter . Parabolae may or may not be present . Dimorphic ; males small , with lappets ...
... ribs terminating in tubercles on the umbilical shoulder , from which secondary ribs diverge in fasciculate bundles to pass uninterrupted across the venter . Parabolae may or may not be present . Dimorphic ; males small , with lappets ...
Page 329
... ribs which frequently bifurcate . On the adoral half of the outer whorl ( ? the body chamber ) , nearly every long rib bifurcates and has an adjacent intercalated rib high up on the flank . The finer , denser secondaries , and their ...
... ribs which frequently bifurcate . On the adoral half of the outer whorl ( ? the body chamber ) , nearly every long rib bifurcates and has an adjacent intercalated rib high up on the flank . The finer , denser secondaries , and their ...
Page 348
... ribs , the ventrolateral and umbilical tubercles frequently form long spines . These ventrolateral spines may also be developed on intercalated ribs . Ribbing weakens somewhat across the tabulate venter and is convex adorally . The ...
... ribs , the ventrolateral and umbilical tubercles frequently form long spines . These ventrolateral spines may also be developed on intercalated ribs . Ribbing weakens somewhat across the tabulate venter and is convex adorally . The ...
Contents
DECAPOD AND ISOPOD CRUSTACEANS FROM THE WEST COAST | 14 |
Zoogeographic discussion | 29 |
INTRODUCTION | 32 |
Copyright | |
4 other sections not shown
Other editions - View all
Common terms and phrases
abbreviated Africa Ammonites Amphipoda antenna Astieria atherstoni Sharpe author's name baini baini baini Sharpe Barnard Baumberger Besairie bicuspidata body chamber Böse Broom Bryden Cape Province Cape Town carapace Coxa Crustacea Decapoda dentary diameter Dicynodon Diictodon dimorphism distal dorsal fauna figures genera genus gnathopod Hauterivian holotype Hout Bay Imlay inflated inner whorls intercalated ribs Kensley Kingoria Kitchin lateral views length lobe macroconch male margin material Maxilla Maxilliped Olcostephanus Olcostephanus Oudenodon outer whorl ovig parabolae Paramelita paratypes peduncle Peponocephala electra Pereopod peristome Pleopod posterior primary ribs prorsiradiate secondaries recorded ribs between bundles Rogersites rostrum Seamount secondary ribs segment setae South African Museum Spath species spines spinules Sternophysinx SUID-AFRIKAANSE MUSEUM Sundays River Sundays River Formation synonym terminal Type specimen Type specimen Skull Uitenhage umbilical bullae umbilical seam umbilical shoulder umbilical tubercles umbilical walls umbilicus Upper Valanginian uropod Valanginian Vema venter ventral views whorl section